CN101172049B - Stomach invagination apparatus - Google Patents

Stomach invagination apparatus Download PDF

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Publication number
CN101172049B
CN101172049B CN200710167644XA CN200710167644A CN101172049B CN 101172049 B CN101172049 B CN 101172049B CN 200710167644X A CN200710167644X A CN 200710167644XA CN 200710167644 A CN200710167644 A CN 200710167644A CN 101172049 B CN101172049 B CN 101172049B
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CN
China
Prior art keywords
jaw member
invaginate
binding agent
stomach
tissue
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN200710167644XA
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Chinese (zh)
Other versions
CN101172049A (en
Inventor
J·W·小希茨
M·S·奥尔蒂斯
F·E·谢尔顿四世
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Ethicon Endo Surgery Inc
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Ethicon Endo Surgery Inc
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Publication date
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Publication of CN101172049A publication Critical patent/CN101172049A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00491—Surgical glue applicators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/30—Surgical pincettes without pivotal connections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/0003—Apparatus for the treatment of obesity; Anti-eating devices
    • A61F5/0013—Implantable devices or invasive measures
    • A61F5/0083—Reducing the size of the stomach, e.g. gastroplasty
    • A61F5/0086—Reducing the size of the stomach, e.g. gastroplasty using clamps, folding means or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
    • A61B17/06166—Sutures
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/128—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
    • A61B17/1285—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2901—Details of shaft
    • A61B2017/2905—Details of shaft flexible
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/30—Surgical pincettes without pivotal connections
    • A61B2017/306—Surgical pincettes without pivotal connections holding by means of suction

Abstract

The present invention relates to an appliance, a system and a method for creating an invaginated portion in a stomach. The system comprises a suction device and a securing member. The suction device comprises a suction head being operable to provide suction, a shaft connected to the suction head, and a vacuum lumen in fluid communication with the suction head. The suction head and vacuum lumen are operable to induce a vacuum adjacent to tissue. The suction device is further operable to create an invaginated portion with the tissue. The securing member is operable to substantially maintain the configuration of the invaginated portion of tissue. The suction device may comprise gripping jaw members having teeth. The securing member may comprise an adhesive and/or sutures and the like. The system may be used to create invaginated portions within a stomach. Such invaginated portions may reduce stomach volume to address obesity or other conditions.

Description

Form the apparatus of gastric pleat
Technical field
The present invention relates to form the apparatus and the method thereof of invaginate part at gastric.
Background technology
For many years, obesity has become a difficult problem.Attempted the obesity for the treatment of the patient, comprised gastric bypass and implanting device with several different methods and device.Biological surgical operation binding agent is used in the multiple treatment step in every way.Disclose a kind of exemplary binding agent in U.S. Patent Publication 2004/0190975, the document is incorporated by reference this paper.Although existing several system and methods are used to solve obesity, and binding agent has been used in multiple other the treatment step invention of describing in the design and use claims of having no talent before the inventor.
Summary of the invention
The present invention relates to following aspect:
(1), a kind ofly form the system of invaginate part at gastric, this system comprises:
(a) aspirator, wherein this aspirator comprises:
(i) can provide the suction head of suction force,
(ii) the axle, described suction head link to each other with axle and
(iii) vacuum chamber, this vacuum chamber is communicated with the suction head fluid, wherein the structure of aspirator can make suction head place near tissue, and wherein said suction head and vacuum chamber can produce vacuum near the tissue place, and wherein said aspirator can also make tissue produce the invaginate part; With
(b) fixed component, wherein, described fixed component can keep organizing the structure of invaginate part basically.
(2), as (1) described system, wherein, described suction head has annular outside open edge.
(3), as (1) described system, wherein, described suction head also has a plurality of grasping and uses jaw member, described grasp can be in jaw member open or the closed position.
(4), as (3) described system, wherein, described suction head also has and is positioned near the vacuum ports that grasps with the jaw member.
(5), as (3) described system, wherein, each grasps with jaw member has vacuum chamber respectively.
(6), as (3) described system, wherein, each grasps with jaw member has a roughly spheric joint component respectively, wherein, when grasping when being in deployed position with jaw member, joint component is overlapped at least.
(7), as (1) described system, wherein, described fixed component contains binding agent.
(8), as (7) described system, wherein, described binding agent comprises one or both in cyanoacrylate, the isocyanates.
(9), as (7) described system, wherein, described fixed component also comprises activator, is used for the activation of binding agent.
(10), as (7) described system, wherein, described fixed component also comprises substrate, its mesostroma contains activator.
(11), as (1) described system, wherein, described fixed component comprises suture, seam nail or anchor clamps.
(12), as (1) described system, wherein, can apply described fixed component by endoscope's mode.
(13), as (1) described system, wherein, described axle has inwall, and forms vacuum chamber by described axle inwall.
(14), a kind ofly form the method for invaginate part at gastric, this method comprises:
(a) provide an aspirator, this aspirator comprises:
(i) can provide the suction head of suction force,
(ii) the axle, wherein, suction head link to each other with axle and
(iii) vacuum chamber, this vacuum chamber is communicated with the suction head fluid;
(b) provide fixed component;
(c) make suction head be close to tissue positioned;
(d) in vacuum chamber, provide vacuum;
(e) the invaginate part by the vacuum formative tissue that produces; With
(f) use fixed component to keep organizing the structure of invaginate part.
(15), as (14) described method, wherein, described fixed component contains binding agent.
(16), as (15) described method, wherein, make suction head press close to first tissue surface location, this method also comprise with binding agent be applied to the first surface opposing second surface on.
(17), as (14) described method, wherein, described aspirator also comprises toothed and pivotally connected grasping jaw member, this method also comprises with toothholder lives tissue.
(18), as (17) described method, wherein, the operation of formative tissue invaginate part comprises making to grasp with jaw member and moves to the closed position from open position.
(19), as (14) described method, wherein, described suction head has annular outside open edge, wherein, the operation of formative tissue invaginate part comprises tissue in edge suction suction head.
(20), a kind ofly form the system of invaginate part at gastric, this system comprises:
(a) be used to press close to the device that tissue is introduced vacuum;
(b) be used to form the device of organizing the invaginate part; With
(c) be used to keep organizing the device of invaginate section construction, described invaginate partly is that the device by formative tissue invaginate part forms.
Description of drawings
Though the claim that this description draws has been illustrated the present invention especially, and clearly claimed the present invention, believe in conjunction with the drawings following specific embodiment is described; can understand the present invention better; in the accompanying drawings, identical Reference numeral is represented identical member, wherein:
Fig. 1 has described to be positioned at the exemplary aspirator of gastric and binding agent has been applied to illustrative methods on the stomach outer wall;
The phantom of aspirator shown in Fig. 1 that Fig. 2 has described with stomach engages;
Fig. 3 has described the cutaway view of the exemplary stomach that has the invaginate part;
Fig. 4 has described the cutaway view that gastric pleat part and gastric wall break away among Fig. 3;
Fig. 5 has described to be applied to the vertical view of the exemplary adhesive substrate of stomach outer wall;
Fig. 6 has described the vertical view after stomach outer wall shown in Fig. 5 forms invaginate;
Fig. 7 has described the partial view that exemplary selectable invaginate forms device;
Fig. 8 has described Fig. 7 atrium and has formed the view that device forms the exemplary operation of invaginate;
Fig. 9 has described Fig. 7 atrium and has formed the partial sectional view that device forms the exemplary operation of invaginate, and this cutaway view is a hatching with the line 9-9 among Fig. 8;
Figure 10 has described the exemplary selectable perspective view that grasps with jaw member;
Figure 11 has described exemplary having and has grasped the partial sectional view that forms device with the invaginate of jaw member among Figure 10; With
Figure 12 has described the partial sectional view that installs among Figure 11, in the drawings, grasps with jaw member and is in roughly open configuration.
The specific embodiment
Description to specific embodiment of the present invention should not be construed as limiting the scope of the invention below.Those skilled in the art will be more readily understood other embodiment, characteristics, aspect, the specific embodiment and advantage of the present invention by the following description that schematically illustrates one of execution optimum way of the present invention.Such as will be appreciated, the present invention can have other aspects different and that understand easily, and all these does not deviate from the present invention.Accordingly, accompanying drawing and explanation should be counted as exemplary, and should not be construed as limitation of the present invention.
As shown in Figure 1, exemplary invaginate formation system 10 comprises aspirator 20 and endoscope type binding agent applicator 40.In this example, aspirator 20 is arranged on stomach 100 inside; And binding agent applicator 40 is arranged on stomach 100 outsides.Will describe in detail more with following as shown in Figures 1 to 3, and can form system 10 to invaginate and operate, thereby in stomach 100, form a plurality of invaginate parts 102.Form the volume that such invaginate part 102 can finally reduce stomach 100.
Aspirator 20 comprises the head 22 that links to each other with flexible pipe 24.As shown in the figure, described head 22 has annular, outside open edge 26, and fluid is communicated with between head 22 and the flexible pipe 24.Design edge 26 is to be used for engaging hermetically with the inner surface 104 of stomach.As shown in Figure 2, under the inner surface 104 bonded conditions of edge 26 and stomach, can provide vacuum,, form an invaginate part 102 of stomach 100 thus the part suction head 22 of stomach 100 by flexible pipe 24.Should be understood that the structure of shown head 22 only is exemplary, head 22 is selectable to have various optional shapes or structure.
As shown in Figure 1, the structure of the binding agent applicator 40 of present embodiment is fit to the service aisle of endoscope 50.The binding agent applicator 40 of present embodiment is traditional endoscope type binding agent applicator, but can use other any suitable optional applicator.Operation binding agent applicator 40 is with on the outer surface 106 (for example serosa surface) that binding agent 60 is dispersed to stomach 100.Binding agent 60 can comprise cyanoacrylate, isocyanates or other any suitable materials.
As shown in Figure 5, in a kind of exemplary application, before applying binding agent 60, substrate cloth (matrix cloth) 70 can be applied on the outer surface 106 of stomach 100.Substrate cloth 70 can comprise a plurality of unit 72, for example can be honeycomb type structure (only being for example).Each unit 72 can contain can with the activator species of binding agent 60 reaction.Especially can design binding agent 60, make when having only binding agent 60 to contact, could operate and adhesion organization satisfactorily binding agent 60 with activator species.Alternatively, substrate cloth 70 can not contain activator species.Only be for example, in the scope of using substrate cloth 70, substrate cloth 70 can contain polyester or any other one or more suitable materials.
In another kind of embodiment, substrate cloth 70 contains binding agent 60, does not therefore need independent applicator 40 to apply binding agent 60.For example, unit 72 can contain binding agent 60.Alternatively, itself can be binding agent for the material of substrate cloth 70, and does not need to have binding agent 60 in the unit 72.Under this variation, the part of substrate cloth 70 can be adhered to other parts of outer surface 106 and/or substrate cloth 70.The space contact that this can allow adjacent external surfaces part 106 to provide by dummy cell 72, this can make these adjacent external surfaces part 106 combinations.Alternatively, substrate cloth 70 can substitute with any other suitable substitutes, also can have other structure or material, or it is omitted fully.In the scope of using substrate cloth 70, the method that applies substrate cloth 70 that is fit to can be expected for those of ordinary skills.
In the present embodiment, as shown in Figure 2, head 22 is put into the stomach 100 relative with the binding agent 60 that applies and substrate cloth 72.When aspirating by flexible pipe 24 and head 22 when producing the invaginate part 102 of stomach 100, binding agent 60 and substrate cloth 72 are inhaled into together with invaginate part 102.As Fig. 2 and shown in Figure 6, binding agent 60 is sucked into the inside of invaginate part 102.Be understandable that binding agent 60 will provide enough bonding force to keep the structure of invaginate part 102.In another embodiment, after forming invaginate part 102, apply binding agent 60 again.For example, binding agent applicator 40 can be pressed in the depression that forms by invaginate part 102 of outer surface 106.Apply binding agent 60 and from depression, overflow or be applied to the degree of expectation up to binding agent.
In a kind of variation pattern, as shown in Figure 3, can apply one or more suture 80 at root near each invaginate part 102, keep the structure (and/or for other purposes) of invaginate part 102 with further help.Suture 80 may be blocked the blood circulation of each invaginate part 102, causes forming the death of the tissue of each invaginate part 102.Certainly, any suitable alternative of suture 80 be can use, band, anchor clamps, seam nail or the like included but not limited to.Alternatively, as required suture 80 can be replaced, can be replenished or fully need not.
In one embodiment, as shown in Figure 4, invaginate part 102 may finally can break away from (after for example, at least a portion forms the tissue necrosis or death of invaginate part 102) from stomach 100.After this, the invaginate part 102 of these disengagings can be passed gastrointestinal tract.At 108 places, position that each invaginate part 102 was once located, residual binding agent 60 can prevent to form the opening that passes stomach 100.In addition, or alternatively, the fusion of scar tissue or its hetero-organization can stop and forms such opening.Finally, in this example, although invaginate part 102 breaks away from from separately position 108, stomach 100 still can keep the integrity of structure.Will be understood that the disengaging of invaginate part 102 can cause producing the minimizing of the area of gastric acid.In invaginate formed the scope of system 10 in order to treatment of obesity, the minimizing that can produce the area of gastric acid can further make alimentation be hindered.The effect of this obstruction alimentation is reached by the stomach volume reducing, and the volumetrical minimizing of stomach is to be realized by the method that forms invaginate in order to treatment of obesity.
Fig. 7 to 9 described a kind of can substitute aspirator 20 grasp apparatus 120.As shown in the figure, grasp apparatus 120 and have axle 122 and a pair of grasping with jaw member 124.Axle 122 is roughly flexible, can for example in modes such as endoscopies this be imported to patient's gastric by patient's esophagus.The following more detailed description that will carry out, axle 122 further has chamber (not demonstrating), can provide vacuum by this chamber.
Grasp with jaw member 124 and axle 122 by pivotally connected, therefore, grasp optionally to have and open or the closed position with jaw member 124.Each grasps with jaw member 124 all has a plurality of teeth 126.Design tooth 126 in order to clamp tissue, for example the inner surface 104 of stomach.Can grasp opening and close by cable (not demonstrating) operation with jaw member 124.Cable passes axle 122 and extends in the input equipment link user (not demonstrating) in this example.Certainly, any suitable cable alternative can be used for opening and/or close and grasp with jaw member 124.
The apparatus 120 that grasps in this example further has vacuum ports 140.Vacuum ports 140 can have the structure of the head 22 on the similar aspirator 20.In this example, the diameter of vacuum ports 140 is less than the diameter of the head on the aspirator 20 22.Vacuum ports 140 is communicated with the vacuum chamber fluid of axle 122.Vacuum ports 140 for example be used for grasp be used to clamp gastric surface 104 with jaw member 124 before with respect to grasping with the fixing inner surface 104 of stomach of jaw member 124.
In use, substrate cloth 70 and binding agent 60 are applied to stomach outer surface 106.Grasp apparatus 120 and be placed on 104 places, next-door neighbour's gastric surface, its position is relative with binding agent 60 with substrate cloth 70 basically.Grasping when being shown in an open position with jaw member 124, apply vacuum by vacuum ports 140, it is fixing with respect to grasping with jaw member 124 to guarantee gastric surface 104, as shown in Figure 7.To grasp with jaw member 124 then and be actuated into the position of closing substantially, clamp gastric surface 104 with tooth 126, shown in Fig. 8 to 9.Thus, in stomach 100, produced invaginate part 202.In this example, invaginate part 202 is similar to invaginate part 102, and just invaginate part 202 is wideer on a size.Therefore, be appreciated that with forming invaginate part 102 and compare that the invaginate part 202 that is produced can reduce stomach 100 volumes to a greater degree.Also be appreciated that and further fix the root of invaginate part 202 with one or more suture, band, anchor clamps, seam nail or the like.
Figure 10 to 12 has described to grasp the exemplary variations of apparatus 120.In this modification, grasp apparatus 220 and have axle 222 and a pair of grasping with jaw member 224.Axle 222 is roughly flexible, and the esophagus that can be used in by the patient imports to this in stomach 100 of patient in modes such as for example endoscopies.The following more detailed description that will carry out, axle 222 further has chamber 250 (not demonstrating), can provide vacuum by this chamber.
Grasp with jaw member 224 and axle 222 by pivotally connected, therefore, grasp optionally to have and open or the closed position with jaw member 224.Each grasps with jaw member 224 all has a plurality of teeth 226.Design tooth 226 is in order to clamp tissue, and for example the gastric surface 104.Can grasp opening and close by cable 230 operation with jaw member 224.Cable 230 passes axle 222 and extends in the input equipment link user (not demonstrating) in this example.Certainly, any suitable cable 230 alternative can be used for opening and/or close and grasp with jaw member 224.
Each grasps with jaw member 224 has roughly spheric joint component 228.Being constructed as follows of joint component 228, when grasping when being in deployed position with jaw member 224, joint component 228 overlaps each other in axle 222.Each grasps with jaw member 224 also has cup-like structure respectively, and cup-like structure is configured to provide vacuum chamber 240.Described vacuum chamber 240 is communicated with chamber 250 fluids, thus, can provide vacuum in vacuum chamber 240 by chamber 250.In another changes, the lid (not demonstrating) with a plurality of holes can be set respectively on each vacuum chamber 240.Alternatively, grasp with jaw member 224 and can use any other constructional variant.
Although chamber 250 generally is depicted as the inside of axle 222, be appreciated that the available individual component (not shown) that inserts axle 222 selectively provides chamber 250.To those skilled in the art, other variation also will be expected.
In a kind of exemplary application, the using method that grasps apparatus 220 is similar to the above-mentioned usage that grasps apparatus 120.Yet, with provide by vacuum ports 140 suction force different be that the suction force in this example is to provide by the vacuum chamber 240 that grasps with jaw member 224.Suction force in this example provides when can or clamp before tooth 226 clamps gastric surface 104, and assists tooth 226 to clamp gastric surface 104.Enter in the process of closed position grasping, can continue to provide suction force, so formed invaginate part 202 with jaw member 224.
The invaginate part 102,202 that it will be understood by those skilled in the art that generation can cause stomach 100 volumetrical minimizings.These stomach 100 volumetrical minimizings can be used to provide the treatment patient method of morbid obesity, and/or other effects are provided.Aspirator 20 and the variation that other appropriate configuration that grasps apparatus 120,220 changes and uses will be expected for a person skilled in the art.
Be understandable that the invaginate described forms system 10 and modification thereof and can be used in peritoneoscope, endoscope, open and/or other surgery devices and use here, be included in the combination of said apparatus and use.
The specific embodiment of the present invention is applied in traditional endoscope and the open surgery instrument, also is applied in the assisted surgery for robots simultaneously.
Device for carrying out said disclosed herein is just disposed after can being designed to once use, or is designed to reused.Under above two kinds of situations, reuse after can after at least once using, will install reparation.Reparation can comprise the combination in any of the demounting procedure of described device, cleans then or changes specific component and re-assembly subsequently.Particularly, with the device for carrying out said dismounting, but arbitrary specific component that combination in any ground will install or part selectivity are changed or are removed.In cleaning and/or after changing specific portion, for use subsequently, can in prosthetic device, re-assembly device for carrying out said, perhaps before being about to carry out surgical operation, assemble by the surgical operation group member.The reparation that it will be understood by those skilled in the art that device may use various technology dismantle, clean/or change and assembling, and these technology and prosthetic device thereof are all in the application's scope.
Mode as an example only, the concrete mode that this place is described can be carried out before surgical operation.At first, obtain new or used instrument, can clean if desired.Then can be with instrument disinfection.In a kind of disinfection technology, instrument is put in the container of sealing, for example plastic bag or TYVEK bag.Container and instrument are put into the ray field, and this ray can penetrate container, for example gamma ray, X ray or high energy electron.Ray can kill in the container with instrument on antibacterial.Instrument after will sterilizing then is stored in the sterile chamber.The container of sealing can keep instrument aseptic, up to open this container in medical chamber.Can use any other known technology of this area to the device sterilization, include but not limited to β or gamma ray, oxirane or steam.
Shown and described the various specific embodiment of the present invention that in the case without departing from the scope of the present invention, those skilled in the art can reasonably improve method disclosed herein and instrument.Mentioned several so potential improvement, other improvement can be expected for a person skilled in the art.For example, above-described example, the specific embodiment, geometry, material, size, ratio, step or the like all are exemplary rather than necessary.Therefore, with formal representation protection scope of the present invention of subsequently claim, and should not be subjected to the restriction of concrete structure and operation in shown and the description described and the accompanying drawing.

Claims (5)

1. one kind forms the system (10) of invaginate part (102) at gastric, and this system (10) comprising:
(a) aspirator (20), wherein this aspirator comprises:
(i) a plurality of grasping with jaw member (224), described grasping with jaw member (224) can be placed on deployed position or closed position, and each grasps with jaw member (224) and comprises vacuum chamber (240), provides vacuum through described vacuum chamber (240),
(ii) axle (222), described grasp with jaw member (224) pivot to connect with respect to axle and
(iii) vacuum chamber (250), this vacuum chamber is communicated with described grasping with jaw member (224) fluid, wherein the structure of aspirator can make described grasping with jaw member (224) place near tissue, wherein said grasping with jaw member (224) and vacuum chamber (250) can produce vacuum near the tissue place, and wherein said aspirator (20) can also make tissue produce invaginate part (102); With
(b) fixed component (60), wherein, described fixed component (60) can keep organizing the structure of invaginate part (102) basically;
It is characterized in that, each described grasping with jaw member (224) also comprises roughly spheric joint component (228), grasp with jaw member (224) when being in deployed position when described, joint component is overlapped in axle at least, and wherein vacuum chamber is positioned at the inside of axle.
2. the system as claimed in claim 1, wherein, described fixed component (60) contains binding agent.
3. system as claimed in claim 2, wherein, described binding agent comprises one or both in cyanoacrylate, the isocyanates.
4. system as claimed in claim 2, wherein, described fixed component (60) also comprises activator, is used for the activation of binding agent.
5. system as claimed in claim 2, wherein, described fixed component (60) also comprises substrate (70), its mesostroma (70) contains activator.
CN200710167644XA 2006-10-20 2007-10-19 Stomach invagination apparatus Expired - Fee Related CN101172049B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/551,406 2006-10-20
US11/551,406 US7749235B2 (en) 2006-10-20 2006-10-20 Stomach invagination method and apparatus

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CN101172049A CN101172049A (en) 2008-05-07
CN101172049B true CN101172049B (en) 2011-11-09

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EP (1) EP1913880B1 (en)
JP (1) JP2008110210A (en)
CN (1) CN101172049B (en)
AT (1) ATE505137T1 (en)
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HK (1) HK1118431A1 (en)

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JP2008110210A (en) 2008-05-15
HK1118431A1 (en) 2009-02-13
EP1913880A1 (en) 2008-04-23
ATE505137T1 (en) 2011-04-15
DE602007013853D1 (en) 2011-05-26
EP1913880B1 (en) 2011-04-13
CN101172049A (en) 2008-05-07
US7749235B2 (en) 2010-07-06

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